Inventor · disambiguated record
Kohtaroh Nagahara
Also filed as: NAGAHARA KOHTAROH
2 granted patents·54 citations·filing 1996–2002
64Inventor score
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2 records- 0165US6662860B2Heat transfer pipe for liquid medium having grooved inner surface and heat exchanger employing the sameJAPAN STEEL WORKS LTD·Filed 2002·Granted Dec 16, 2003·11 cites·8 claims
- 0265US5704424AHeat transfer tube having grooved inner surface and production method thereforMITSUBISHI SHINDO KK·Filed 1996·Granted Jan 6, 1998·43 cites·17 claims
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